<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>签到</title>
    <style>
        tr {
            text-align: center;
        }
        .a1{
            text-align: center;
        }
    </style>
</head>
<body>
<h3 align="center">签到</h3>
<div class="a1">
    <h1>签到</h1>
    <form action="/student/signIn.do">
        <p><label>课程号</label><input name="courseId"></p>
        <p><label>第几次课程</label><input name="coursecount"></p>
        <p><button type="submit">提交</button> </p>
    </form>
</div>
</body>
</html>